$116 Cheap Flights from Green Bay (GRB) to St. Louis (STL)

View $116 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Green Bay to St. Louis (GRB-STL)

Prices were available within the past 7 days and start at $116 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 16 - Sat, May 30
GRB
Green Bay
STL
St. Louis
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, May 16 from Green Bay to St. Louis, returning Sat, May 30, priced at $229 found 1 hour ago
United
Mon, Nov 10 - Mon, Nov 17
GRB
Green Bay
STL
St. Louis
$234 Roundtrip, found 5 days ago
$234
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 10 from Green Bay to St. Louis, returning Mon, Nov 17, priced at $234 found 5 days ago
American Airlines
Sat, Dec 6 - Sun, Dec 7
GRB
Green Bay
STL
St. Louis
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 6 from Green Bay to St. Louis, returning Sun, Dec 7, priced at $234 found 1 day ago
Delta
Fri, Nov 14 - Tue, Nov 25
GRB
Green Bay
STL
St. Louis
$244 Roundtrip, found 20 hours ago
$244
Roundtrip
found 20 hours ago
Select Delta flight, departing Fri, Nov 14 from Green Bay to St. Louis, returning Tue, Nov 25, priced at $244 found 20 hours ago
United
Sun, Nov 9 - Sun, Nov 16
GRB
Green Bay
STL
St. Louis
$248 Roundtrip, found 6 days ago
$248
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 9 from Green Bay to St. Louis, returning Sun, Nov 16, priced at $248 found 6 days ago
United
Sat, Jan 31 - Tue, Feb 3
GRB
Green Bay
STL
St. Louis
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jan 31 from Green Bay to St. Louis, returning Tue, Feb 3, priced at $249 found 2 days ago
Delta
Wed, Dec 3 - Sun, Dec 7
GRB
Green Bay
STL
St. Louis
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 3 from Green Bay to St. Louis, returning Sun, Dec 7, priced at $253 found 2 days ago
Delta
Fri, Nov 14 - Sat, Nov 15
GRB
Green Bay
STL
St. Louis
$259 Roundtrip, found 20 hours ago
$259
Roundtrip
found 20 hours ago
Select Delta flight, departing Fri, Nov 14 from Green Bay to St. Louis, returning Sat, Nov 15, priced at $259 found 20 hours ago
Delta
Tue, May 19 - Sat, May 30
GRB
Green Bay
STL
St. Louis
$264 Roundtrip, found 1 hour ago
$264
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 19 from Green Bay to St. Louis, returning Sat, May 30, priced at $264 found 1 hour ago
United
Sat, Dec 6 - Sun, Dec 7
GRB
Green Bay
STL
St. Louis
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 6 from Green Bay to St. Louis, returning Sun, Dec 7, priced at $266 found 1 day ago

Find the cheapest month to fly from Green Bay (GRB) to St. Louis (STL)

May is typically the cheapest month to fly

From $198 - $456 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $354
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $354

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight from $116 or cheap return flight from $229 from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL)?
Planning your getaway for May is a great way to save, as it's the cheapest month for flights between GRB and STL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest GRB to STL flight.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights departing from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from GRB to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from GRB to STL are typically more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a GRB to STL flight and hotel package?
Opting for a GRB to STL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your GRB to STL flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Austin Straubel Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$228
Distance
413 mi

Book with confidence

Green Bay to St. Louis Flights

The cheapest times to fly from Green Bay to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to St. Louis are during the month of May. You can find some of the cheapest flights from Green Bay to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to St. Louis

Sunday is one of the best days to book for cheap flights from Green Bay to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $116 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Green Bay to St. Louis Flights

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*Available to One Key members.